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libraryMcpServer.ts - Clean version with simplified login\n\n/** @jsxImportSource npm:react */\nimport * as cheerio from \"npm:cheerio\";\n\n// Library configuration\nconst LIBRARY_URL = \"https://catalogue.gleneira.vic.gov.au/cgi-bin/spydus.exe/MSGTRN/WPAC/LOGINB\";\nconst LOGIN_URL = \"https://catalogue.gleneira.vic.gov.au/cgi-bin/spydus.exe/PGM/WPAC/CCOPT/LB/2\";\nconst BRWLID = process.env.LIBRARY_ID;\nconst ENCRYPTED_BRWLPWD = process.env.LIBRARY_PASSWORD;\nconst RDT = \"/cgi-bin/spydus.exe/PGM/WPAC/CCOPT/LB/1?ISGLB=0\";\n\n// Certificate for HTTPS (for local development, read from file)\nconst CA_CERT = `-----BEGIN CERTIFICATE-----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\nTYNYQI+BXG1R1cABlold\n-----END CERTIFICATE-----\n`;\n\ninterface Book {\n id: string;\n title: string;\n author: string;\n year: string;\n dueDate: string;\n isOverdue: boolean;\n hasReserves: boolean;\n reserveCount: number;\n}\n\ninterface LibrarySession {\n client: Deno.HttpClient;\n cookies: string;\n currentLoansUrl?: string;\n renewAllUrl?: string;\n expiresAt: Date;\n}\n\n// Global session cache\nlet globalSession: LibrarySession | null = null;\n\n// Create HTTP client with custom CA\nfunction createHttpClient(): Deno.HttpClient {\n try {\n return Deno.createHttpClient({\n caCerts: [CA_CERT],\n });\n } catch (error) {\n console.warn(\"Failed to create HTTP client with custom CA, using default:\", error);\n return Deno.createHttpClient({});\n }\n}\n\n// Helper function to make authenticated requests\nasync function authenticatedFetch(url: string, session: LibrarySession, options: RequestInit = {}) {\n return fetch(url, {\n ...options,\n client: session.client,\n headers: {\n ...options.headers,\n \"Cookie\": session.cookies,\n \"User-Agent\": \"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36\",\n },\n });\n}\n\n// Extract redirect URL from meta refresh tag\nfunction extractMetaRefreshUrl(html: string, baseUrl: string): string | null {\n const $ = cheerio.load(html);\n const metaRefresh = $(\"meta[http-equiv=\\\"Refresh\\\"]\").attr(\"content\");\n\n if (!metaRefresh) return null;\n\n const match = metaRefresh.match(/url=(.+)$/i);\n if (!match) return null;\n\n return new URL(match[1], baseUrl).toString();\n}\n\n// Login to library system\nasync function loginToLibrary(): Promise {\n const client = createHttpClient();\n\n const formData = new URLSearchParams({\n BRWLID: BRWLID,\n BRWLPWD: ENCRYPTED_BRWLPWD,\n RDT: encodeURIComponent(RDT),\n csrf: \"undefined\",\n });\n\n const loginResp = await fetch(LOGIN_URL, {\n method: \"POST\",\n client,\n headers: {\n \"Content-Type\": \"application/x-www-form-urlencoded\",\n \"User-Agent\": \"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36\",\n },\n body: formData.toString(),\n });\n\n const loginBody = await loginResp.text();\n const cookies = loginResp.headers.get(\"set-cookie\") || \"\";\n\n // Extract redirect URL from meta refresh\n const redirectUrl = extractMetaRefreshUrl(loginBody, LOGIN_URL);\n if (!redirectUrl) {\n throw new Error(\"No redirect URL found in login response\");\n }\n\n const session: LibrarySession = {\n client,\n cookies,\n expiresAt: new Date(Date.now() + 30 * 60 * 1000), // 30 minutes\n };\n\n // Follow the redirect to get to the main page\n const mainPageResp = await authenticatedFetch(redirectUrl, session);\n const mainPageHtml = await mainPageResp.text();\n\n // Look for \"Current loans\" link\n const $ = cheerio.load(mainPageHtml);\n const currentLoansLink = $(\"a\").filter((i, el) => {\n const text = $(el).text().toLowerCase();\n return text.includes(\"current\") && text.includes(\"loan\");\n }).first().attr(\"href\");\n\n if (currentLoansLink) {\n session.currentLoansUrl = new URL(currentLoansLink, redirectUrl).toString();\n }\n\n return session;\n}\n\n// Get or create a valid session\nasync function getValidSession(): Promise {\n if (globalSession && globalSession.expiresAt > new Date()) {\n return globalSession;\n }\n\n globalSession = await loginToLibrary();\n return globalSession;\n}\n\n// Parse books from loans page\nasync function parseBooks(html: string, baseUrl: string): Promise<{ books: Book[]; renewAllUrl?: string }> {\n const $ = cheerio.load(html);\n const books: Book[] = [];\n\n // Look for \"Renew all\" link\n const renewAllLink = $(\"a\").filter((i, el) => {\n const text = $(el).text().toLowerCase();\n return text.includes(\"renew\") && text.includes(\"all\");\n }).first().attr(\"href\");\n\n let renewAllUrl: string | undefined;\n if (renewAllLink) {\n renewAllUrl = new URL(renewAllLink, baseUrl).toString();\n }\n\n // Parse book rows - this will need adjustment based on actual HTML structure\n $(\"tbody tr, .loan-item, .book-row\").each((_, row) => {\n const $row = $(row);\n\n // Look for checkbox to get book ID\n const checkbox = $row.find(\"input[type='checkbox']\");\n const id = checkbox.val() as string;\n\n if (id) {\n // Extract book information - adjust selectors based on actual HTML\n const title = $row.find(\".title, h2, .book-title\").first().text().trim() || \"Unknown Title\";\n const author = $row.find(\".author, .book-author\").first().text().trim() || \"Unknown Author\";\n const year = $row.find(\".year, .publication-year\").first().text().trim() || \"\";\n const dueDate = $row.find(\".due-date, [data-caption='Due']\").first().text().trim() || \"\";\n const isOverdue = $row.find(\".overdue, .loan-overdue\").length > 0;\n\n // Parse reserve information\n const reserveText = $row.find(\".reserves, .loan-reserved\").text();\n const hasReserves = reserveText.length > 0;\n const reserveMatch = reserveText.match(/(\\d+)\\s+reserves?/);\n const reserveCount = reserveMatch ? parseInt(reserveMatch[1]) : 0;\n\n books.push({\n id,\n title,\n author,\n year,\n dueDate,\n isOverdue,\n hasReserves,\n reserveCount,\n });\n }\n });\n\n return { books, renewAllUrl };\n}\n\n// Get current books\nasync function getCurrentBooks(): Promise {\n const session = await getValidSession();\n\n if (!session.currentLoansUrl) {\n throw new Error(\"Could not find current loans URL\");\n }\n\n const resp = await authenticatedFetch(session.currentLoansUrl, session);\n const html = await resp.text();\n const { books, renewAllUrl } = await parseBooks(html, session.currentLoansUrl);\n\n if (renewAllUrl) {\n session.renewAllUrl = renewAllUrl;\n globalSession = session;\n }\n\n return books;\n}\n\n// Renew all books\nasync function renewAllBooks(): Promise<{ success: boolean; message: string; books?: Book[] }> {\n const session = await getValidSession();\n\n if (!session.renewAllUrl) {\n // Try to get the renew URL by loading the loans page\n await getCurrentBooks();\n if (!session.renewAllUrl) {\n throw new Error(\"Renew URL not found\");\n }\n }\n\n const resp = await authenticatedFetch(session.renewAllUrl, session, {\n method: \"GET\", // Most library systems use GET for renew all\n });\n\n if (!resp.ok) {\n return { success: false, message: \"Failed to renew books\" };\n }\n\n // Get updated book list\n const books = await getCurrentBooks();\n\n return {\n success: true,\n message: \"Books renewed successfully\",\n books,\n };\n}\n\n// Manual JSON-RPC handler for MCP\nexport default async function handler(req: Request): Promise {\n // Handle CORS preflight\n if (req.method === \"OPTIONS\") {\n return new Response(null, {\n status: 200,\n headers: {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET, POST, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type, Authorization\",\n },\n });\n }\n\n if (req.method !== \"POST\") {\n const books = await getCurrentBooks();\n return new Response(books);\n return new Response(\n JSON.stringify({\n error: \"MCP server only accepts POST requests\",\n }),\n {\n status: 405,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n\n try {\n const body = await req.json();\n\n // Handle initialize request\n if (body.method === \"initialize\") {\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n result: {\n protocolVersion: \"2024-11-05\",\n capabilities: { tools: {} },\n serverInfo: {\n name: \"library-books-manager\",\n version: \"1.0.0\",\n },\n },\n }),\n { headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n\n // Handle tools/list request\n if (body.method === \"tools/list\") {\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n result: {\n tools: [\n {\n name: \"list_books\",\n description: \"Get a list of all current library loans with due dates and overdue status\",\n inputSchema: { type: \"object\", properties: {}, required: [] },\n },\n {\n name: \"renew_all_books\",\n description: \"Renew all library books and return the updated list\",\n inputSchema: { type: \"object\", properties: {}, required: [] },\n },\n ],\n },\n }),\n { headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n\n // Handle tools/call request\n if (body.method === \"tools/call\") {\n const toolName = body.params.name;\n\n if (toolName === \"list_books\") {\n const books = await getCurrentBooks();\n const overdueBooks = books.filter(b => b.isOverdue);\n const upcomingBooks = books.filter(b => !b.isOverdue);\n\n const result = {\n success: true,\n totalBooks: books.length,\n overdueCount: overdueBooks.length,\n books,\n summary: {\n overdue: overdueBooks.map(b => ({\n title: b.title,\n dueDate: b.dueDate,\n hasReserves: b.hasReserves,\n reserveCount: b.reserveCount,\n })),\n upcoming: upcomingBooks.map(b => ({\n title: b.title,\n dueDate: b.dueDate,\n })),\n },\n };\n\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n result: {\n content: [{\n type: \"text\",\n text: JSON.stringify(result, null, 2),\n }],\n },\n }),\n { headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n\n if (toolName === \"renew_all_books\") {\n const result = await renewAllBooks();\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n result: {\n content: [{\n type: \"text\",\n text: JSON.stringify(result, null, 2),\n }],\n },\n }),\n { headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n error: { code: -32601, message: `Unknown tool: ${toolName}` },\n }),\n { status: 400, headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n\n // Unknown method\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n error: { code: -32601, message: `Unknown method: ${body.method}` },\n }),\n { status: 400, headers: { \"Content-Type\": \"application/json\" } },\n );\n } catch (error) {\n console.error(\"Error handling MCP request:\", error);\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: null,\n error: { code: -32603, message: \"Internal error\", data: error.message },\n }),\n { status: 500, headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n}\n\n// For local testing\nif (import.meta.main) {\n console.log(\"Testing library login...\");\n\n try {\n const books = await getCurrentBooks();\n console.log(\"Books found:\", books.length);\n console.log(\"First book:\", books[0]);\n\n if (books.length > 0) {\n console.log(\"\\nTesting renewal...\");\n const renewResult = await renewAllBooks();\n console.log(\"Renewal result:\", renewResult);\n }\n } catch (error) {\n console.error(\"Test failed:\", error);\n }\n}","// libraryMcpServer.ts - Clean version with simplified login\n\n/** @jsxImportSource npm:react */\nimport * as cheerio from \"npm:cheerio\";\n\n// Library configuration\nconst LIBRARY_URL = \"https://catalogue.gleneira.vic.gov.au/cgi-bin/spydus.exe/MSGTRN/WPAC/LOGINB\";\nconst LOGIN_URL = \"https://catalogue.gleneira.vic.gov.au/cgi-bin/spydus.exe/PGM/WPAC/CCOPT/LB/2\";\nconst BRWLID = process.env.LIBRARY_ID;\nconst ENCRYPTED_BRWLPWD = process.env.LIBRARY_PASSWORD;\nconst RDT = \"/cgi-bin/spydus.exe/PGM/WPAC/CCOPT/LB/1?ISGLB=0\";\n\n// Certificate for HTTPS (for local development, read from file)\nconst CA_CERT = `-----BEGIN CERTIFICATE-----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\nTYNYQI+BXG1R1cABlold\n-----END CERTIFICATE-----\n`;\n\ninterface Book {\n id: string;\n title: string;\n author: string;\n year: string;\n dueDate: string;\n isOverdue: boolean;\n hasReserves: boolean;\n reserveCount: number;\n}\n\ninterface LibrarySession {\n client: Deno.HttpClient;\n cookies: string;\n currentLoansUrl?: string;\n renewAllUrl?: string;\n expiresAt: Date;\n}\n\n// Global session cache\nlet globalSession: LibrarySession | null = null;\n\n// Create HTTP client with custom CA\nfunction createHttpClient(): Deno.HttpClient {\n try {\n return Deno.createHttpClient({\n caCerts: [CA_CERT],\n });\n } catch (error) {\n console.warn(\"Failed to create HTTP client with custom CA, using default:\", error);\n return Deno.createHttpClient({});\n }\n}\n\n// Helper function to make authenticated requests\nasync function authenticatedFetch(url: string, session: LibrarySession, options: RequestInit = {}) {\n return fetch(url, {\n ...options,\n client: session.client,\n headers: {\n ...options.headers,\n \"Cookie\": session.cookies,\n \"User-Agent\": \"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36\",\n },\n });\n}\n\n// Extract redirect URL from meta refresh tag\nfunction extractMetaRefreshUrl(html: string, baseUrl: string): string | null {\n const $ = cheerio.load(html);\n const metaRefresh = $(\"meta[http-equiv=\\\"Refresh\\\"]\").attr(\"content\");\n\n if (!metaRefresh) return null;\n\n const match = metaRefresh.match(/url=(.+)$/i);\n if (!match) return null;\n\n return new URL(match[1], baseUrl).toString();\n}\n\n// Login to library system\nasync function loginToLibrary(): Promise {\n const client = createHttpClient();\n\n const formData = new URLSearchParams({\n BRWLID: BRWLID,\n BRWLPWD: ENCRYPTED_BRWLPWD,\n RDT: encodeURIComponent(RDT),\n csrf: \"undefined\",\n });\n\n const loginResp = await fetch(LOGIN_URL, {\n method: \"POST\",\n client,\n headers: {\n \"Content-Type\": \"application/x-www-form-urlencoded\",\n \"User-Agent\": \"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36\",\n },\n body: formData.toString(),\n });\n\n const loginBody = await loginResp.text();\n const cookies = loginResp.headers.get(\"set-cookie\") || \"\";\n // Extract redirect URL from meta refresh\n const redirectUrl = extractMetaRefreshUrl(loginBody, LOGIN_URL);\n if (!redirectUrl) {\n throw new Error(\"No redirect URL found in login response\");\n }\n\n const session: LibrarySession = {\n client,\n cookies,\n expiresAt: new Date(Date.now() + 30 * 60 * 1000), // 30 minutes\n };\n\n // Follow the redirect to get to the main page\n const mainPageResp = await authenticatedFetch(redirectUrl, session);\n const mainPageHtml = await mainPageResp.text();\n return mainPageHtml;\n // Look for \"Current loans\" link\n const $ = cheerio.load(mainPageHtml);\n const currentLoansLink = $(\"a\").filter((i, el) => {\n const text = $(el).text().toLowerCase();\n return text.includes(\"current\") && text.includes(\"loan\");\n }).first().attr(\"href\");\n\n if (currentLoansLink) {\n session.currentLoansUrl = new URL(currentLoansLink, redirectUrl).toString();\n }\n\n return session;\n}\n\n// Get or create a valid session\nasync function getValidSession(): Promise {\n if (globalSession && globalSession.expiresAt > new Date()) {\n return globalSession;\n }\n\n globalSession = await loginToLibrary();\n return globalSession;\n}\n\n// Parse books from loans page\nasync function parseBooks(html: string, baseUrl: string): Promise<{ books: Book[]; renewAllUrl?: string }> {\n const $ = cheerio.load(html);\n const books: Book[] = [];\n\n // Look for \"Renew all\" link\n const renewAllLink = $(\"a\").filter((i, el) => {\n const text = $(el).text().toLowerCase();\n return text.includes(\"renew\") && text.includes(\"all\");\n }).first().attr(\"href\");\n\n let renewAllUrl: string | undefined;\n if (renewAllLink) {\n renewAllUrl = new URL(renewAllLink, baseUrl).toString();\n }\n\n // Parse book rows - this will need adjustment based on actual HTML structure\n $(\"tbody tr, .loan-item, .book-row\").each((_, row) => {\n const $row = $(row);\n\n // Look for checkbox to get book ID\n const checkbox = $row.find(\"input[type='checkbox']\");\n const id = checkbox.val() as string;\n\n if (id) {\n // Extract book information - adjust selectors based on actual HTML\n const title = $row.find(\".title, h2, .book-title\").first().text().trim() || \"Unknown Title\";\n const author = $row.find(\".author, .book-author\").first().text().trim() || \"Unknown Author\";\n const year = $row.find(\".year, .publication-year\").first().text().trim() || \"\";\n const dueDate = $row.find(\".due-date, [data-caption='Due']\").first().text().trim() || \"\";\n const isOverdue = $row.find(\".overdue, .loan-overdue\").length > 0;\n\n // Parse reserve information\n const reserveText = $row.find(\".reserves, .loan-reserved\").text();\n const hasReserves = reserveText.length > 0;\n const reserveMatch = reserveText.match(/(\\d+)\\s+reserves?/);\n const reserveCount = reserveMatch ? parseInt(reserveMatch[1]) : 0;\n\n books.push({\n id,\n title,\n author,\n year,\n dueDate,\n isOverdue,\n hasReserves,\n reserveCount,\n });\n }\n });\n\n return { books, renewAllUrl };\n}\n\n// Get current books\nasync function getCurrentBooks(): Promise {\n const session = await getValidSession();\n return session;\n if (!session.currentLoansUrl) {\n throw new Error(\"Could not find current loans URL\");\n }\n\n const resp = await authenticatedFetch(session.currentLoansUrl, session);\n const html = await resp.text();\n const { books, renewAllUrl } = await parseBooks(html, session.currentLoansUrl);\n\n if (renewAllUrl) {\n session.renewAllUrl = renewAllUrl;\n globalSession = session;\n }\n\n return books;\n}\n\n// Renew all books\nasync function renewAllBooks(): Promise<{ success: boolean; message: string; books?: Book[] }> {\n const session = await getValidSession();\n\n if (!session.renewAllUrl) {\n // Try to get the renew URL by loading the loans page\n await getCurrentBooks();\n if (!session.renewAllUrl) {\n throw new Error(\"Renew URL not found\");\n }\n }\n\n const resp = await authenticatedFetch(session.renewAllUrl, session, {\n method: \"GET\", // Most library systems use GET for renew all\n });\n\n if (!resp.ok) {\n return { success: false, message: \"Failed to renew books\" };\n }\n\n // Get updated book list\n const books = await getCurrentBooks();\n\n return {\n success: true,\n message: \"Books renewed successfully\",\n books,\n };\n}\n\n// Manual JSON-RPC handler for MCP\nexport default async function handler(req: Request): Promise {\n // Handle CORS preflight\n if (req.method === \"OPTIONS\") {\n return new Response(null, {\n status: 200,\n headers: {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"GET, POST, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type, Authorization\",\n },\n });\n }\n\n if (req.method !== \"POST\") {\n const books = await getCurrentBooks();\n return new Response(books);\n return new Response(\n JSON.stringify({\n error: \"MCP server only accepts POST requests\",\n }),\n {\n status: 405,\n headers: { \"Content-Type\": \"application/json\" },\n },\n );\n }\n\n try {\n const body = await req.json();\n\n // Handle initialize request\n if (body.method === \"initialize\") {\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n result: {\n protocolVersion: \"2024-11-05\",\n capabilities: { tools: {} },\n serverInfo: {\n name: \"library-books-manager\",\n version: \"1.0.0\",\n },\n },\n }),\n { headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n\n // Handle tools/list request\n if (body.method === \"tools/list\") {\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n result: {\n tools: [\n {\n name: \"list_books\",\n description: \"Get a list of all current library loans with due dates and overdue status\",\n inputSchema: { type: \"object\", properties: {}, required: [] },\n },\n {\n name: \"renew_all_books\",\n description: \"Renew all library books and return the updated list\",\n inputSchema: { type: \"object\", properties: {}, required: [] },\n },\n ],\n },\n }),\n { headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n\n // Handle tools/call request\n if (body.method === \"tools/call\") {\n const toolName = body.params.name;\n\n if (toolName === \"list_books\") {\n const books = await getCurrentBooks();\n const overdueBooks = books.filter(b => b.isOverdue);\n const upcomingBooks = books.filter(b => !b.isOverdue);\n\n const result = {\n success: true,\n totalBooks: books.length,\n overdueCount: overdueBooks.length,\n books,\n summary: {\n overdue: overdueBooks.map(b => ({\n title: b.title,\n dueDate: b.dueDate,\n hasReserves: b.hasReserves,\n reserveCount: b.reserveCount,\n })),\n upcoming: upcomingBooks.map(b => ({\n title: b.title,\n dueDate: b.dueDate,\n })),\n },\n };\n\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n result: {\n content: [{\n type: \"text\",\n text: JSON.stringify(result, null, 2),\n }],\n },\n }),\n { headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n\n if (toolName === \"renew_all_books\") {\n const result = await renewAllBooks();\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n result: {\n content: [{\n type: \"text\",\n text: JSON.stringify(result, null, 2),\n }],\n },\n }),\n { headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n error: { code: -32601, message: `Unknown tool: ${toolName}` },\n }),\n { status: 400, headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n\n // Unknown method\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: body.id,\n error: { code: -32601, message: `Unknown method: ${body.method}` },\n }),\n { status: 400, headers: { \"Content-Type\": \"application/json\" } },\n );\n } catch (error) {\n console.error(\"Error handling MCP request:\", error);\n return new Response(\n JSON.stringify({\n jsonrpc: \"2.0\",\n id: null,\n error: { code: -32603, message: \"Internal error\", data: error.message },\n }),\n { status: 500, headers: { \"Content-Type\": \"application/json\" } },\n );\n }\n}\n\n// For local testing\nif (import.meta.main) {\n console.log(\"Testing library login...\");\n\n try {\n const books = await getCurrentBooks();\n console.log(\"Books found:\", books.length);\n console.log(\"First book:\", books[0]);\n\n if (books.length > 0) {\n console.log(\"\\nTesting renewal...\");\n const renewResult = await renewAllBooks();\n console.log(\"Renewal result:\", renewResult);\n }\n } catch (error) {\n console.error(\"Test failed:\", error);\n 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Diff · v18